Invention Grant
- Patent Title: Dispersion solution for drilling and method of extraction using the dispersion solution
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Application No.: US15208164Application Date: 2016-07-12
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Publication No.: US10246625B2Publication Date: 2019-04-02
- Inventor: Seishi Yoshikawa
- Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
- Applicant Address: JP Tokyo
- Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
- Current Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2012-271084 20121212; JP2013-160064 20130801
- Main IPC: C09K8/035
- IPC: C09K8/035 ; C09K8/12 ; E21B43/26 ; E21B43/267 ; C09K8/68 ; C09K8/88 ; E21B21/00
Abstract:
A method of extracting underground natural resources through an ore chute located in a temperature region where temperature in the ground is not higher than 60° C., comprising introducing a dispersion solution obtained by dispersing polyoxaylate in water into the ore chute with pressure to hydrolyze the polyoxalate.
Public/Granted literature
- US20160319177A1 DISPERSION SOLUTION FOR DRILLING AND METHOD OF EXTRACTION USING THE DISPERSION SOLUTION Public/Granted day:2016-11-03
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